Battery storage in Arizona

10 battery storage projects are in development in Arizona, 9 of them under construction, with 22 already operating. Read daily from 11 public sources. Who is building each one, and who to call, is in the app.

Request access Next to break ground

10in development

0pre-construction

9under construction

22operating

1 queued9 under construction

Construction starts by year

Projects by the year construction starts or started, stacked by where each one stands today.

operatingunder constructionqueued

Next to break ground

The three battery storage projects in Arizona most likely to start work next.

Romero Energy Center II, LLCMaricopa County
Under construction · 225 MW · est. 2026 Q4
Builder: not yet named
Maricopa SolarMaricopa County
Under construction · 550 MW · start Jan 2025, permit on file
Builder: in the app
Valley Farms Energy CenterPinal County
Under construction · 400 MW · start Apr 2026, permit on file
Builder: in the app

Every battery storage project in Arizona, with builders and contacts

Battery storage in Arizona, by county

Maricopa County 7 La Paz County 2 Pinal County 1

Also in Arizona

Every industry in Arizona Utility solar in Arizona Data centers in Arizona

Battery storage in other states

Questions

Battery storage in Arizona, in short.

How many battery storage projects are in development in Arizona?

10 battery storage projects are in development in Arizona, 0 of them in pre-construction and 9 under construction, with 22 already operating.

Which battery storage projects in Arizona are next to break ground?

The battery storage projects in Arizona most likely to start work next are Romero Energy Center II, LLC in Maricopa County, Maricopa Solar in Maricopa County and Valley Farms Energy Center in Pinal County. Who is building each one, and who to call, is in the subscriber record.

Where does the Arizona battery storage data come from?

From 11 public sources read daily: grid interconnection queues, construction permits, county records, state siting and procurement filings, and satellite imagery. Each value links to its record.